Humidor for inked ribbons



D01; 23', 1 930. L. A. PHILLIPS 1,785,975

HUMIDOR FOR INKED RIBBONS Filed July 27, 1926 Patented Dec. 23, 1930 UNITED STATES PATENT OFFICE;

Application led July 27.1926. Serial No. 125,295.

The object of this invention is to provide the purchase of a quantity of ribbons that a box or humidor and new method of pack can be safely stored without danger of drying inked ribbons in this box to keep these ing out. l ribbons from dr ing out for a long period A humidor of novel construction is used While packed intie box. The box is intended for this purpose Which consists of a cylinmore especially for typewriter duplicating drical box l having a removable screw cap ribbons wound on s ools. cover 2. Into this box is placed the humidor These and other objects of this invention lining 3 which consists of a chemicallyv will be fully illustrated in the drawing, detreated pulp sheet lining that is rolled into scribed in the specification and pointedv out .a cylinder and slipped into the box 1. The 60 in the claims at the end thereof. humidor lining thus forms a second Wall In the accompanying drawing: within the box and leaves sufficient space in Figure 1 is a perspective View 0f a box the box for the insertion of a series of ribbon packed according to my new invention, the SpoOlS placed one on top of the other.

box and cover being partly broken away to The cover 2 is provided with a cushion 4 65 illustrate the construction of the box and on the inside thereof so that when it is screwed method of packing the ribbonspools therein. down'into the box it seals the box air tight.

Figure 2 is a horizontal Sectional View of After the box is closed the humidor lining the box, the section being taken on the line 3 keeps the ribbons from drying out. The

2o 2m, 2m of Figure 1. llning extends the full depth of the cylin- 70 Figure 3 is a detail perspective view of drlcal box and encircles each of the spools of the humidor lining that is inserted into the rlbbon contained therein. The lining is prefbOX. erably made up of a pulp in the form of a In the several figures of the drawing, like blotting paper having one side glazed with reference numerals indicate like parts. a suitable coating. This glazed or smooth- 75 Inked ribbons for typewriters, duplicatfinish of the lining is placed on the inside so ing machines, etc., are at the present time that in shipment the spool will be in contact supplied by the manufacturer as needed, that with a smooth finish of the lining that canis, whenever it is necessary to replace a worn not be rubbed ofi' by the edges of the spool.

3o ribbon on the machine. This is made neces- One'Side of the humidor lining may be f so sary because the ink in the ribbon drys out Waterproofed with wax or other Waterproof whether it is in use or not so that any ribflexible material and this waterproofed side bon kept on hand for future use may be pracis placed against the inside of the box to pretically useless by the time it is needed to re- Vent the action of moisture on the box. place the worn out ribbon in the machine. The chemical treatment of the lining may 85 Inked ribbons are, therefore, only purchased C0nS1St of any treatment suitable for the purone at a time unless they are purchased on the pose Of keeping the air moist Within the box coupon plan in which the purchaser receives and prevent the ribbons from drying out. a book of coupons in lieu of the ribbons and In the treatment of the lining I have used 40 sends a coupon from the book to the manua deliquescent salt such as calcium chloride 9o facturer every time a new ribbon is needed and applled this with or without glycerine in order to insure the use of a fresh ribbon and Water or with glycerine alone to the instead of a dried out ribbon. Only in this humidor lining. Oleic acid may also be used. way has it been possible to purchase any The lining thus treated keeps the air moist quantity of ribbons with the assurance that Wlthln the box so that the air cannot absorb 95 a -fresh ribbon will be used every time it is any moisture from the inked ribbons: In this needed. way the ribbons are kept freshfor a long My present invention makes it possible to period and can be used whenever needed. do away with this expensive and slow method I claim: of supplying typewriter ribbons as it allows 1. In a humidor for inked ribbons, the combination of a box, a cover for said box, a removable absorbent lining adapted to be placed within said box, a waterproof coating on one side of said lining and means impregnated into said absorbent lining to constantly keep the air moist within said box.

2. In a humidor for inked ribbons, the combination of a box, a humidor lining within said box, a deliquescent salt, glycerine and 10 water impregnated into said humidor lining to keep the air moist Within said box.

3. In a humidor for inked ribbons, the combination of a box, a cover for said box, a, humidor lining comprising a iiexible pulp 15 sheet, a Waterproof coating on one side of said lining, a deli uescent salt, glycerine and water im regnate into said' humidor lining to keep t e air moist within said box.

In testimony whereof I aix my signature.

go LELAND A. PHILLIPS. 

